secured data have to be in PEM or in DER format, depending on <
cert_format > chosen with #SSLSECCFG.
If no < cert_format> has been specified with #SSLSECCFG, PEM
format is assumed.
PEM format(see #SSLSECCFG command): To complete the
operation send Ctrl-Z char (0x1A hex); to exit without writing the
message send ESC char (0x1B hex).
DER format(see #SSLSECCFG command): When <size> bytes are
entered, the certificate is automatically stored. ESC or Ctrl-Z don't
take effect, because they are considered as possible octets
contained in the certificate.
If data are successfully stored, then the response is OK; if it fails
for some reason, an error code is reported.
If the <Action> parameter is 2 (read data from NVM), data specified
by <DataType>,<Index> parameters is shown in the following
format:
#SSLSECDATAEXT: <connId>,<DataType>,<Index>
<DATA>
OK